Table of Contents
Question
What is a consideration when scaling a VxRail cluster?
A. A maximum of 10 nodes is supported if 1 GbE networking is used
B. The first two nodes in a standard cluster must be identical
C. Mixing of all-flash and NVMe nodes is not allowed
D. Mixing VxRail nodes with different base network speeds is not permitted
Answer
C. Mixing of all-flash and NVMe nodes is not allowed
Explanation
The correct answer is D. Mixing VxRail nodes with different base network speeds is not permitted.
When scaling a VxRail cluster, it’s important to maintain consistency in the network speeds of the nodes. This is because the performance of the cluster is dependent on the network speed, and having nodes with different network speeds can lead to performance issues and inconsistencies.
Here’s why the other options are not correct:
A. A maximum of 10 nodes is supported if 1 GbE networking is used: This is not accurate. VxRail clusters can scale up to 64 nodes per cluster, regardless of the network speed.
B. The first two nodes in a standard cluster must be identical: This is not a requirement. While it’s generally a good practice to use identical hardware for all nodes in a cluster to ensure consistent performance and compatibility, it’s not a strict requirement. VxRail clusters support heterogeneous configurations, where nodes can have different hardware configurations.
C. Mixing of all-flash and NVMe nodes is not allowed: This is not accurate. VxRail clusters support the mixing of all-flash and NVMe nodes. However, it’s important to note that the performance characteristics of the different types of nodes can vary, and this should be taken into consideration when designing and managing the cluster.
Remember, when scaling a VxRail cluster, it’s important to consider factors such as the hardware configuration of the nodes, the network speed, the storage configuration, and the workload requirements. It’s also important to follow Dell EMC’s best practices for scaling VxRail clusters to ensure optimal performance and reliability.
Reference
- Scaling Up VxRail: Managing an Ecosystem | Dell Technologies Info Hub
- Dell EMC VxRail 7.0 vSAN Stretched Cluster Planning Guide (delltechnologies.com)
- [Proven Exam Update] DES-6332 Specialist – Systems Administrator, VxRail Exam – Dell Community
- Scaling a VxRAIL cluster – Dell Community
- VxRail cluster | Dell Validated Design for Manufacturing Edge – Design Guide with XMPro | Dell Technologies Info Hub
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